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ICD-10-CM Code I65.1
Occlusion and stenosis of basilar artery

Billable Code
Billable codes are sufficient justification for admission to an acute care hospital when used a principal diagnosis.
Adult Only
Adult Only
Code is only used for patients 15 years old or older.
| ICD-10 from 2011 - 2016

I65.1 is a billable ICD code used to specify a diagnosis of occlusion and stenosis of basilar artery. A 'billable code' is detailed enough to be used to specify a medical diagnosis.

The ICD code I65 is used to code Cerebrovascular disease

Cerebrovascular disease, stroke or cerebrovascular accident, is a vascular disease of the cerebral circulation. Arteries supplying oxygen to the brain are affected resulting in one of a number of cerebrovascular diseases. Most commonly this is a stroke or mini-stroke and sometimes can be a hemorrhagic stroke. Any of these can result in vascular dementia.

Cerebral angiogram of a carotid-cavernous fistula

Source: Wikipedia

MS-DRG Mapping

  • DRG Group #067-068 - Nonspecific cva and precerebral occlusion without infarct with MCC.
  • DRG Group #067-068 - Nonspecific cva and precerebral occlusion without infarct without MCC.

Related Concepts SNOMET-CT

  • Asymptomatic occlusion of basilar artery (disorder)

Coding Advice SNOMET-CT

  • Consider additional code to identify specific condition or disease

ICD-10-CM Alphabetical Index References for 'I65.1 - Occlusion and stenosis of basilar artery'

The ICD-10-CM Alphabetical Index links the below-listed medical terms to the ICD code I65.1. Click on any term below to browse the alphabetical index.


Occlusion and stenosis of basilar artery without mention of cerebral infarction (exact match)

This is the official exact match mapping between ICD9 and ICD10, as provided by the General Equivalency mapping crosswalk. This means that in all cases where the ICD9 code 433.00 was previously used, I65.1 is the appropriate modern ICD10 code.

Parent Code: I65 - Occlusion and stenosis of precerebral arteries, not resulting in cerebral infarction

** This Document Provided By ICD.Codes **
Source: http://icd.codes/icd10cm/I651